Solvent treatment in the separation of palladium and/or gold fro

Details Solvent treatment in the separation of palladium and/or gold fro Solvent treatment in the separation of palladium and/or gold fro

1983-04-04

1984-10-30

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Platinum group metal

423 24, 75101BE, C01G 5500, C01G 700

Patent

active

044799225

ABSTRACT:
We have discovered that by pretreating a thioether (R'--S--R) containing organic phase to be used as an extractant in a solvent extraction process for separating platinum group metals from base metals and/or each other in aqueous solution with a mild oxidant, e.g., cupric chloride, in an acidified aqueous phase, the tendency of stable emulsion formation during extraction can be substantially eliminated.

REFERENCES:
patent: 3410924 (1968-11-01), Fasce
patent: 3767760 (1973-10-01), Hougen et al.
patent: 3985552 (1976-10-01), Edwards

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